CN215589745U - Bottom sealing and shaping device for single polyethylene composite film self-standing bag - Google Patents
Bottom sealing and shaping device for single polyethylene composite film self-standing bag Download PDFInfo
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- CN215589745U CN215589745U CN202122289524.5U CN202122289524U CN215589745U CN 215589745 U CN215589745 U CN 215589745U CN 202122289524 U CN202122289524 U CN 202122289524U CN 215589745 U CN215589745 U CN 215589745U
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Abstract
The utility model provides a single polyethylene composite film stand up pouch end seal setting device, belongs to flexible package processing equipment technical field for cool off the end seal of single polyethylene composite film stand up pouch and stereotype. The technical scheme is as follows: the cooling cutter is a rectangular box body, the plane water-stop sheet and the arc water-stop sheet are vertically arranged respectively, the box body cavity of the cooling cutter is divided into a cuboid cavity, a semi-cylindrical cavity and a U-shaped cavity by the plane water-stop sheet and the arc water-stop sheet, the water inlet pipe is communicated with the U-shaped cavity, a water passing hole is formed between the U-shaped cavity and the cuboid cavity and communicated with each other, a water passing hole is formed between the cuboid cavity and the semi-cylindrical cavity and communicated with each other, the water outlet pipe is communicated with the semi-cylindrical cavity, and the water inlet pipe and the water outlet pipe are connected with a cooling water pipeline of the refrigerating unit respectively. The utility model has simple structure and simple and convenient operation, the three cooling areas respectively cool different positions of the self-standing bag, the best cooling efficiency is achieved, the shape and the integral smoothness of the bottom of the self-standing bag are ensured, and the product quality is stable.
Description
Technical Field
The utility model relates to a device for cooling and shaping the bottom seal of a single polyethylene composite film self-supporting bag, belonging to the technical field of flexible packaging processing equipment.
Background
At present, the production development of the flexible packaging industry is very rapid, the application range is continuously expanded, especially the packages of products such as daily chemical liquid washing bags, small packaging bags and fruit juice are rapidly increased, most of the products adopt a self-supporting bag form, the good goods shelf effect is achieved, and the use by consumers is convenient. The product has a material structure of BOPET/PE or BOPA/PE structure, and the surface layer of the product is a biaxially oriented BOPET or BOPA film, so that the product has the advantages of good heat resistance, stable size and the like. But has the disadvantages that the waste packaging materials are not easy to recycle due to the existence of different types of materials, and the waste treatment cost is high, thereby causing environmental pollution. In recent years, due to the increase of environmental protection pressure, recyclable application of plastics is urgently required. The single polyethylene composite material is a packaging product type advocated at home and abroad at present because the single polyethylene composite material is easier to recycle and the recycled material has higher utilization value. The bottom of the self-standing bag product made of the material needs to be shaped during processing, so that the smoothness of the bottom of the self-standing bag is improved, the subsequent processing and the attractiveness are facilitated, and therefore a device for shaping the bottom of the self-standing bag made of a single polyethylene composite material is very necessary to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a bottom sealing and shaping device for a single polyethylene composite film self-standing bag, which is suitable for a single polyethylene composite film self-standing bag product with the total thickness of 80-200 microns, and has the advantages of good shaping performance of the bag bottom, smooth appearance and stable product quality.
The technical scheme for solving the technical problems is as follows:
a single polyethylene composite film self-supporting bag bottom sealing shaping device comprises a cooling knife, a plane water-stop sheet, an arc water-stop sheet, a water inlet pipe and a water outlet pipe, wherein the cooling knife is a rectangular box body, the plane water-stop sheet and the arc water-stop sheet are installed in a box body cavity of the cooling knife, the plane water-stop sheet and the arc water-stop sheet are respectively rectangular sheets which are vertically placed, the surface of the plane water-stop sheet is parallel to one side wall in the length direction of the cooling knife to form a cuboid cavity, the arc water-stop sheet is positioned on the side surface of the plane water-stop sheet, two ends of the arc water-stop sheet are respectively connected with the surface of the plane water-stop sheet, a semi-cylindrical cavity is formed between the arc water-stop sheet and the plane water-stop sheet, a U-shaped cavity is formed between the plane water-stop sheet connected with the two ends and the other side wall in the length direction of the cooling knife, the water inlet pipe and the water outlet pipe are respectively connected with the side walls at the two ends in the length direction of the box body of the cooling knife, the water inlet pipe is communicated with the U-shaped cavity of the cooling knife, the water outlet pipe is communicated with the semi-cylindrical cavity of the cooling knife, a water passing hole is formed between the U-shaped cavity of the cooling knife and the cuboid cavity and communicated with each other, a water passing hole is formed between the cuboid cavity and the semi-cylindrical cavity and communicated with each other, and the water inlet pipe and the water outlet pipe are respectively connected with a cooling water pipeline of the refrigerating unit.
Above-mentioned single polyethylene composite film self-reliance bag end seal setting device, the roof of the rectangle box body of cooling sword is the flat board of separation, has the connecting hole on the face of roof, and there is the screw on the box body lateral wall upper end of cooling sword, and connecting bolt is with the box body lateral wall fastening connection of roof and cooling sword, has sealed the pad between roof lower surface and the box body lateral wall upper end.
According to the single polyethylene composite film self-standing bag bottom sealing and shaping device, the shape and the size of the arc-shaped water-stop sheet correspond to the shape and the size of the clamping bottom of the self-standing bag.
Above-mentioned single polyethylene composite film self-reliance bag end-sealing setting device, the cooling sword has threely, and three cooling sword is vertically arranged along production order, and the cooling sword is located the self-reliance bag directly over, and the rectangle box body and the perpendicular guide rail of cooling sword are sliding fit, and the rectangle box body and the bent axle that reciprocates of cooling sword are connected.
The utility model has the beneficial effects that:
the cavity of the cooling knife is divided into three different cooling areas by the plane water stop plate and the arc water stop plate, the cooling temperatures of the three cooling areas are arranged from high to low to respectively cool different positions of the self-standing bag, the effect of cooling water is fully utilized, the optimal cooling efficiency is achieved, the shape and the integral smoothness of the bottom of the self-standing bag of the plastic flexible package can be well ensured, and the product quality is stable.
The utility model has simple structure and simple and convenient operation, solves the defect of poor product smoothness caused by poor heat resistance of the material and poor cooling effect in the bottom sealing area of the self-standing bag of the single polyethylene composite film, improves the product quality and is popular with users.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a sectional view a-a of fig. 2.
The figures are labeled as follows: the water cooling device comprises a cooling knife 1, a top plate 2, a connecting bolt 3, a water inlet pipe 4, a water outlet pipe 5, a plane water-stop plate 6, an arc water-stop plate 7, a water through hole 8, a cuboid cavity 9, a semi-cylindrical cavity 10 and a U-shaped cavity 11.
Detailed Description
The utility model is composed of 3 cooling knives 1, three cooling knives 1 are arranged longitudinally along the production line in sequence, the cooling knives 1 are positioned right above the self-standing bag, the rectangular box body of the cooling knives 1 is embedded in a vertical guide rail, the rectangular box body of the cooling knives 1 can slide up and down along the vertical guide rail, and the rectangular box body of the cooling knives is driven by a crankshaft to move up and down.
The cooling knife 1 is a rectangular box body, the top plate 2 of the rectangular box body of the cooling knife 1 is a separated flat plate, a connecting hole is formed in the surface of the top plate 2, a screw hole is formed in the upper end of the side wall of the box body of the cooling knife 1, the top plate 2 is tightly connected with the side wall of the box body of the cooling knife 1 through a connecting bolt 3, and a sealing gasket is arranged between the lower surface of the top plate 2 and the upper end of the side wall of the box body.
The figure shows that a plane water-stop sheet 6 and an arc water-stop sheet 7 are installed in a box body cavity of the cooling knife 1, and the plane water-stop sheet 6 and the arc water-stop sheet 7 are respectively rectangular sheets which are vertically placed. The cooling knife cavity is divided into three different cooling areas by the plane water-stop plate 6 and the arc water-stop plate 7, the cooling temperatures of the three cooling areas are arranged from high to low, the cooling areas cool different positions of the self-standing bag respectively, the effect of cooling water is fully utilized, the optimal cooling efficiency is achieved, the bottom shape and the overall smoothness of the plastic flexible packaging self-standing bag can be well guaranteed, and the product quality is stable.
The figure shows that the three cooling zones are: the surface of the plane water-stop sheet 6 is parallel to one side wall of the cooling knife 1 in the length direction to form a cuboid cavity 9; the arc-shaped water-stop sheet 7 is positioned on the side surface of the plane water-stop sheet 6, two ends of the arc-shaped water-stop sheet 7 are respectively connected with the plate surface of the plane water-stop sheet 6, and a semi-cylindrical cavity 10 is formed between the arc-shaped water-stop sheet 7 and the plane water-stop sheet 6; a U-shaped cavity 11 is formed between the arc-shaped water stop sheet 7 and the plane water stop sheet 6 connected with the two ends and the other side wall of the cooling knife 1 in the length direction.
The figure shows that the two end side walls of the box body of the cooling knife 1 in the length direction are respectively connected with a water inlet pipe 4 and a water outlet pipe 5, the water inlet pipe 4 is communicated with a U-shaped cavity 11 of the cooling knife 1, the water outlet pipe 5 is communicated with a semi-cylindrical cavity 10 of the cooling knife 1, a water through hole 8 is formed between the U-shaped cavity 11 of the cooling knife 1 and a cuboid cavity 9 and communicated with each other, the water through hole 8 is formed between the cuboid cavity 9 and the semi-cylindrical cavity 10 and communicated with each other, and the water inlet pipe 4 and the water outlet pipe 5 are respectively connected with a cooling water pipeline of a refrigerating unit.
In the cooling process, cooling water enters the U-shaped cavity 11 from the water inlet pipe 4, then enters the cuboid cavity 9 through the water passing holes 8, then enters the semi-cylindrical cavity 10 from the cuboid cavity 9 through the water passing holes 8, and finally flows out of the box body of the cooling knife 1 from the semi-cylindrical cavity 10 through the water outlet pipe 5.
The figure shows that the shape and size of the arc-shaped water-stop sheet 7 correspond to the shape and size of the clamping bottom of the standing pouch, so that the cooling and shaping effects are better.
The using method of the utility model is as follows:
firstly, cooling water of the refrigerating unit is connected with a water inlet pipe 4, enters the box body of the cooling knife 1, flows through the U-shaped cavity 11, the cuboid cavity 9 and the semi-cylindrical cavity 10 in sequence, and finally returns to the refrigerating unit through a water outlet pipe 5.
When cooling water flows through each cooling area, the temperature of each area of the cooling knife 1 is reduced through heat conduction;
the self-supporting bag needing to be cooled during production is located under the cooling knife 1, the crankshaft drives the cooling knife 1 to press downwards, the lower bottom surface of the cooling knife 1 is in contact with the self-supporting bag, the self-supporting bag is cooled and shaped under the action of contact heat conduction and pressure, and the cooling time is 0.2-03 seconds.
According to the characteristics of the self-standing bag, the temperature of the self-standing bag corresponding to the U-shaped cavity 11 is the highest, and the surface temperature is about 150-170 ℃, so that the temperature of the U-shaped cavity 11 in the inner cavity of the cooling knife 1 is the lowest; the temperature of the standing bags corresponding to the cuboid cavity 9 and the semi-cylindrical cavity 10 is relatively low, about 80-100 ℃, so that the temperature of the cuboid cavity 9 is lower, the temperature of the semi-cylindrical cavity 10 is highest, and the optimal cooling effect on the product is achieved.
The cooling knife 1 is made of copper, the temperature of cooling water in a water inlet pipe 4 is 5 ℃, the temperature of a water outlet pipe 5 is 8-10 ℃, the flow of the cooling water is 1.5-2.0 cubic meters per hour, and different cooling knife shapes need to be designed for different products.
One embodiment of the utility model is as follows:
the length of the cooling knife 1 is 280mm, the width is 120mm, and the height is 100 mm;
the radius of the arc water-stop sheet 4 is 150 mm;
two water passing holes 8 are formed between the U-shaped cavity 11 and the rectangular cavity 9, and two water passing holes 8 are formed between the rectangular cavity 9 and the semi-cylindrical cavity 10;
the diameter of the water through holes 8 is 15 mm.
Claims (4)
1. The utility model provides a single polyethylene composite film self-reliance bag end seal setting device which characterized in that: it includes cooling sword (1), plane water-stop sheet (6), arc water-stop sheet (7), inlet tube (4), outlet pipe (5), cooling sword (1) is the rectangle box body, install plane water-stop sheet (6) and arc water-stop sheet (7) in the box body cavity of cooling sword (1), plane water-stop sheet (6) and arc water-stop sheet (7) are the rectangle slab of vertical placement respectively, the face of plane water-stop sheet (6) is parallel with a lateral wall of cooling sword (1) length direction, form a cuboid cavity (9), arc water-stop sheet (7) are located the side of plane water-stop sheet (6), the both ends of arc water-stop sheet (7) are connected with the face of plane water-stop sheet (6) respectively, form a semi-cylindrical cavity (10) between arc water-stop sheet (7) and plane water-stop sheet (6) that the both ends are connected and form a lateral wall between another lateral wall of cooling sword (1) length direction between arc water-stop sheet (7) and plane water-stop sheet (6), form a water-stop sheet (7) and the both ends are connected The cooling knife comprises a U-shaped cavity (11), wherein a water inlet pipe (4) and a water outlet pipe (5) are connected to the side walls of the two ends of the box body in the length direction of the cooling knife (1) respectively, the water inlet pipe (4) is communicated with the U-shaped cavity (11) of the cooling knife (1), the water outlet pipe (5) is communicated with a semi-cylindrical cavity (10) of the cooling knife (1), a water through hole (8) is communicated between the U-shaped cavity (11) of the cooling knife (1) and a cuboid cavity (9), the water through hole (8) is communicated between the cuboid cavity (9) and the semi-cylindrical cavity (10), and the water inlet pipe (4) and the water outlet pipe (5) are connected with a cooling water pipeline of a refrigerating unit respectively.
2. The single polyethylene composite film self-standing bag bottom sealing and sizing device according to claim 1, wherein: roof (2) of the rectangle box body of cooling sword (1) are the flat board of separation, have the connecting hole on the face of roof (2), and there is the screw on the box body lateral wall upper end of cooling sword (1), and connecting bolt (3) are connected roof (2) and the box body lateral wall fastening of cooling sword (1), have sealed the pad between roof (2) lower surface and the box body lateral wall upper end.
3. The single polyethylene composite film self-standing bag bottom sealing and sizing device according to claim 1, wherein: the shape and the size of the arc-shaped water-stop sheet (7) correspond to the shape and the size of the clamping bottom of the self-standing bag.
4. The single polyethylene composite film self-standing bag bottom sealing and sizing device according to claim 1, wherein: the cooling knives (1) are three, the three cooling knives (1) are sequentially and longitudinally arranged along the production line, the cooling knives (1) are positioned right above the self-standing bag, the rectangular box body of the cooling knives (1) is in sliding fit with the vertical guide rail, and the rectangular box body of the cooling knives (1) is connected with the crank shaft which moves up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122289524.5U CN215589745U (en) | 2021-09-22 | 2021-09-22 | Bottom sealing and shaping device for single polyethylene composite film self-standing bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122289524.5U CN215589745U (en) | 2021-09-22 | 2021-09-22 | Bottom sealing and shaping device for single polyethylene composite film self-standing bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215589745U true CN215589745U (en) | 2022-01-21 |
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ID=79886735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122289524.5U Active CN215589745U (en) | 2021-09-22 | 2021-09-22 | Bottom sealing and shaping device for single polyethylene composite film self-standing bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215589745U (en) |
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2021
- 2021-09-22 CN CN202122289524.5U patent/CN215589745U/en active Active
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